The meeting that signed off on the surge was advanced by two days to Saturday, and after the figures were out, Riyadh followed up with a warning yet more increases could be in store.
A bold Saudi-led move to reorder the global oil market with an aggressive ramp-up of OPEC+ supply is forcing Wall Street observers to cut price forecasts, refine warnings for a glut and brace for more twists.
Crude futures took a dive on Monday, after the cartel announced an additional 411,000 barrels a day of supply for June.
